Ventilation assembly and ventilation housing
US12342480B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2019 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Sep 8, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2205/09
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A ventilation assembly of the present disclosure includes: an internal member being a tubular body having an opening at a first end portion and an opening at a second end portion; a gas-permeable membrane covering the opening at the first end portion of the internal member; and an external member being a tubular body having a bottom, the external member being joined to the internal member with the internal member inserted in the interior of the external member from the first end portion side, wherein the ventilation assembly is to be fixed to the projection of the housing with the projection inserted in the opening at the second end portion of the internal member to make an inner peripheral surface of the internal member and an outer peripheral surface of the projection abut each other, the ventilation assembly has a second space serving as a ventilation path connecting the gas-permeable membrane and the outside of the ventilation assembly in at least one selected from the inside of the internal member, the inside of the external member, and an interspace between the internal member and the external member joined together, and a total length of a height of the internal member and a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.